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cause of abortion in first trimester

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https://www.readbyqxmd.com/read/29688863/infection-status-of-human-parvovirus-b19-cytomegalovirus-and-herpes-simplex-virus-1-2-in-women-with-first-trimester-spontaneous-abortions-in-chongqing-china
#1
Ya-Ling Gao, Zhan Gao, Miao He, Pu Liao
BACKGROUND: Infection with Parvovirus B19 (B19V), Cytomegalovirus (CMV) and Herpes Simplex Virus-1/2 (HSV-1/2) may cause fetal loses including spontaneous abortion, intrauterine fetal death and non-immune hydrops fetalis. Few comprehensive studies have investigated first-trimester spontaneous abortions caused by virus infections in Chongqing, China. Our study intends to investigate the infection of B19V, CMV and HSV-1/2 in first-trimester spontaneous abortions and the corresponding immune response...
April 23, 2018: Virology Journal
https://www.readbyqxmd.com/read/29566059/the-immunological-effect-of-galectin-9-tim-3-pathway-after-low-dose-mifepristone-treatment-in-mice-at-14-5-day-of-pregnancy
#2
Adrienn Lajko, Matyas Meggyes, Beata Polgar, Laszlo Szereday
The abortifacient Mifepristone (RU486) has proven to be a safe, effective, acceptable option for millions of women seeking abortion during the first and second trimester of pregnancy although its precise mechanism of action is not well understood. The main objective of this study was to investigate the impact of low dose Mifepristone administration on placental Galectin-9 (Gal-9) expression, as well as its effect on the cell surface expression of Gal-9, TIM-3 and CD107a molecules by different T and NK cell subsets...
2018: PloS One
https://www.readbyqxmd.com/read/29524723/hysteroscopic-diagnosis-of-omentum-incarceration-subsequent-to-an-iatrogenic-uterine-perforation
#3
Adel Sedrati, Amal Drizi, Bruno van Herendael, Dusan Djokovic
STUDY OBJECTIVE: To present and discuss the hysteroscopic aspects of incarcerated omentum through uterine perforation caused by previous dilation and curettage (D&C) for an incomplete first-trimester abortion. DESIGN: A case report. SETTING: Constantine University Hospital, Constantine, Algeria. PATIENT: A 40-year-old, gravida 3, para 2 patient, with a history of an incomplete first-trimester spontaneous abortion treated 6 months before by D&C requiring medical assistance because of moderate, chronic pelvic pain...
March 7, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29454125/management-of-skull-base-tumors-in-the-obstetric-population-a-case-series
#4
Blake H Priddy, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
BACKGROUND: Neoplasms rarely present during pregnancy; however, increases in plasma volume, hormone release-induced growth, and tumor hypervascularity can cause rapidly progressive symptoms of varying severity, ranging from those not requiring intervention to those necessitating emergent operations. Here we describe an algorithm for the management of symptomatic neoplasms in the obstetric population and provide recommendations for surgical indications and timing. METHODS: Patients who presented to the skull base clinic at a large tertiary care hospital between 2010 and 2016 were reviewed to identify those who presented with a skull base tumor during pregnancy...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29389093/nicotine-alters-progesterone-and-estradiol-levels-during-the-first-trimester-of-pregnancy-in-wistar-rats
#5
Damilare H Adeyemi, Ibukun P Oyeyipo, Kikelomo A Akanbi, Tolulope Oluwole
OBJECTIVE: This study was designed to investigate the effect of nicotine on serum progesterone and estradiol levels as possible cause of abortion during first trimester of gestation in female Wistar rats. METHODS: Fourteen female rats with regular estrous cycles in the same phase of cycle were divided into two groups (Control and Nicotine-treated) with each group receiving 1ml of distilled water and 1mg/kg of nicotine respectively for the first seven days of pregnancy (GD1-7)...
February 1, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29243236/isolation-of-actinobacillus-rossii-from-an-aborted-piglet
#6
P K Holyoake, A Thompson
CASE REPORT: This report describes an investigation into the cause of abortions on a commercial pig farm in Victoria in October 2015 in which six sows aborted over a 2-month period. Four of the abortions occurred in the 3 weeks prior to the sows' anticipated farrowing dates and the other two occurred in the second trimester of pregnancy. An analysis of farm data showed that the abortion rate in the previous 12 months (2014-15) was more than twice that of the previous 2 years (1...
December 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/29223822/exposure-to-acrylamide-induces-cardiac-developmental-toxicity-in-zebrafish-during-cardiogenesis
#7
Mengmeng Huang, Jingjing Jiao, Jun Wang, Zhidan Xia, Yu Zhang
Acrylamide (AA), an environmental pollutant, has been linked to neurotoxicity, genotoxicity and carcinogenicity. AA is widely used to synthesize polymers for industrial applications, is widely found in Western-style carbohydrate-rich foods and cigarette smoke, and can also be detected in human umbilical cord blood and breast milk. This is the first study that demonstrated the cardiac developmental toxicity of AA in zebrafish embryos. Post-fertilization exposure to AA caused a clearly deficient cardiovascular system with a shrunken heart and abortive morphogenesis and function...
March 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29208854/study-on-clinical-presentation-and-outcome-of-septic-abortion-and-its-relationship-with-person-inducing-abortion
#8
S Nahar, S Akhter, F Ahamed, K Akhtar, F Noor
Abortion is a global problem. Maternal mortality and morbidity is still high due to uncontrolled abortion mainly induced abortion which may turn to septic abortion. A total of 50 cases of septic abortion cases admitted in Dhaka Medical College Hospital were included in this study. This cross sectional study was designed to find out the clinical presentation and outcome of septic abortion from January 2010 to January 2011. Out of 50 cases of septic abortion admitted where 44(88%) were induced abortion. Majority of the cases were parous (2-3 parity 32%; 4-6 parity 38%; and 6+ parity 4%) and housewives 42(84%), living with their husbands 49(98%), hailing from urban, semi urban and urban slums...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29181440/influence-of-dexamethasone-on-some-reproductive-hormones-and-uterine-progesterone-receptor-localization-in-pregnant-yankasa-sheep-in-semiarid-zones-of-nigeria
#9
Dauda Yahi, Nicholas Adetayo Ojo, Gideon Dauda Mshelia
Dexamethasone is widely used in both veterinary and human medical practices. However, it seems to cause some deleterious effects on pregnancy probably by causing changes in the reproductive hormone levels and their corresponding receptor concentrations. This study investigated the effects of dexamethasone on these parameters. Twenty healthy adult Yankasa sheep comprising 18 ewes and 2 rams were used for this study. Pregnancies were achieved by natural mating after estrus synchronization. Dexamethasone was administered at 0...
2017: Journal of Veterinary Medicine
https://www.readbyqxmd.com/read/29056745/sex-hormone-metabolism-and-threatened-abortion
#10
Qianhua Xu, Juan Chen, Zhaolian Wei, Theodore R Brandon, David T Zava, Yuenian Eric Shi, Yunxia Cao
BACKGROUND The aim of this study was to evaluate changes in sex hormone metabolism in patients with threatened miscarriage. MATERIAL AND METHODS We recruited 73 women in early pregnancy (6-8 weeks of gestation) and divided them into the following 2 groups based on whether they had vaginal bleeding: group A (n=34), the threatened abortion group; and group B (n=39), the normal pregnancy group. Human chorionic gonadotrophin (hCG), estradiol (E2), progesterone (P4), and testosterone (T) serum levels were tested and sex hormone metabolites in the urine were detected using gas chromatography-triple quadrupole mass spectrometry (GC-MS/MS)...
October 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28825766/trends-in-continuity-of-pregnancy-in-women-with-positive-cytomegalovirus-igm-during-the-first-trimester-2008-2009
#11
Ron Beloosesky, Ilana Feldblum, Alon Shrim, Jenny Kertes, Jacob Segal, Rachel Bachar, Yefet Youval
BACKGROUND: Cytomegalovirus (CMV) infection during pregnancy is the most common cause of intrauterine infection, and is a common cause of sensorineural hearing loss and mental retardation. OBJECTIVES: To evaluate trends in amniocentesis and pregnancy outcome in women with suspected cytomegalovirus (CMV) infection during the first trimester. METHODS: All blood tests for CMV immunoglobulin M (IgM) done between 2008 and 2009 on pregnant women who were enrolled in the Maccabi Healthcare Services were retrieved from laboratory database...
August 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28761227/acute-kidney-injury-in-pregnancy-specific-disorders
#12
REVIEW
J Prakash, V C Ganiger
The incidence of acute kidney injury in pregnancy (P-AKI) has declined significantly over the last three decades in developing countries. However, it is still associated with significant fetomaternal mortality and morbidity. The diagnosis of P-AKI is based on the serum creatinine increase. The usual formulas for estimating glomerular filtration rate (GFR) are not validated in this population. The incidence of P-AKI with respect to total AKI cases has decreased in the last three decades from 25% in 1980s to 9% in 2000s at our centre...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28627774/decreased-expression-of-wnt2-in-villi-of-unexplained-recurrent-spontaneous-abortion-patients-may-cause-trophoblast-cell-dysfunction-via-downregulated-wnt-%C3%AE-catenin-signaling-pathway
#13
Ning Li, Shuhong Li, Yanwei Wang, Jiahui Wang, Kai Wang, Xin Liu, Yan Li, Juan Liu
WNT2 has been reported to be important for placental development, especially for the proper vascularization of the placenta. However, its precise role in first-trimester trophoblast cells is still unknown. WNT2 expression in the villous tissues of unexplained recurrent spontaneous abortion (URSA) patients was compared with that of healthy women by Western blot. The function of WNT2 in HTR-8/SVneo trophoblast cells was evaluated by altering the cellular WNT2 level through overexpression and shRNA knockdown. The molecular mechanism of the effect of WNT2 on trophoblast cells was investigated...
June 19, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28412850/assessment-of-hysteroscopic-role-in-management-of-women-with-recurrent-pregnancy-loss
#14
M Elsokkary, M Elshourbagy, K Labib, A Mamdouh, Y El-Shahawy, Wael S Nossair, O Abd El Fattah, H Hemeda, S Sallam, Waleed M Khalaf, M Ali, M Elsayed, A Kotb, R Abdelhadi, M Etman, M Abd El Aleem, M Samy, A Salama, M Abdelhaleem, A Abdelshafy
OBJECTIVES: To assess the hysteroscopic value in the management of intrauterine lesion in women with recurrent pregnancy loss. METHODS: This study was done in Ain Shams Maternity Hospital after the approval of the research Ethics Committee, during the period between August 2014 and December 2015 where 200 nonpregnant women with a history of three or more consecutive unexplained first and second trimester miscarriages before 20 weeks were recruited from recurrent miscarriage clinic...
June 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28402552/induced-abortion
#15
REVIEW
(no author information available yet)
Abortion is common. Data on abortion rates are inexact but can be used to explore trends. Globally, the estimated rate in the period 2010-2014 was 35 abortions per 1000 women (aged 15-44 years), five points less than the rate of 40 for the period 1990-1994. Abortion laws vary around the world but are generally more restrictive in developing countries. Restrictive laws do not necessarily deter women from seeking abortion but often lead to unsafe practice with significant mortality and morbidity. While a legal framework for abortion is a prerequisite for availability, many laws, which are not evidence based, restrict availability and delay access...
June 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28381214/rubella-seroprevalence-and-real-time-pcr-detection-of-rubv-among-congolese-pregnant-women
#16
Josue Zanga, Makola Kennedy Mbanzulu, Arnold-Freddy Kabasele, Nlandu Roger Ngatu, Dimosi Roger Wumba
BACKGROUND: Rubella is an acute infectious disease caused by Rubella virus (RUBV). RUBV remains an important pathogen worldwide, causing approximately 100 000 cases of congenital rubella syndrome (CRS) every year; and the most severe consequence of rubella is teratogenicity. The aim of this study was to estimate the prevalence of RUBV IgG antibodies and determine RUBV genotypes in Congolese pregnant women in Kongo central province, Democratic Republic of Congo (DRC). METHODS: This was a prospective cross-sectional study that consisted of a laboratory analysis of blood samples from 78 pregnant women to check for the presence of RUBV IgG antibodies, and also determine RUBV genotypes in seropositive samples (using primers targeting RUBV nucleoprotein), with the use of serological and molecular methods, respectively...
April 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28344965/tuberculous-peritonitis-in-the-first-trimester-of-pregnancy
#17
Sukyung Jung, Nae Ri Yun, Jeong Ok Kim, Jeong Hoon Lee, Ho Yeon Kim, Eunseop Song, Byoung Ick Lee, Sung Ook Hwang, Soo Ran Choi
Tuberculous peritonitis in pregnancy is a rare form of extrapulmonary tuberculosis that is not easily diagnosed. The clinical presentations of tuberculous peritonitis are usually non-specific and mimic those of other diseases, such as ovarian malignancy or chronic liver disease, and this non-specificity can cause diagnostic delays and complications. The authors report the case of a 31-year-old primigravida woman who presented with uncontrolled fever, dyspnea, elevated liver enzymes, and mild abdominal distension at 13+2 weeks of gestation...
March 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28340831/pregnancy-and-delivery-in-the-sequel-of-kidney-transplantation-single-center-study-of-8-years-experience
#18
Y Yuksel, S Tekin, D Yuksel, I Duman, M Sarier, L Yucetin, E Turan, H Celep, T Ugurlu, M M Inal, Y H Asuman, A Demirbas
BACKGROUND: Depending on hyphothalamic, hyphophyseal, and gonadal axis dysfunction, anovulatory irregular cycles occur and the probability of pregnancy decreases in the patients with chronic kidney disease (CKD). Maternal mortality and morbidity rates are increased in CKD patients; the risk of premature delivery is 70% and the risk of preeclampsia is 40% more than normal among those with a creatine level of >2.5 mg/dL. METHODS: If a pregnancy is expected in the sequel of kidney transplantation (KT), a multidisciplinary team approach should be adopted and both the gynecologist and the nephrologist should follow the patient simultaneously...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28326648/changes-in-expression-of-the-cd200-tolerance-signaling-molecule-and-its-receptor-cd200r-by-villus-trophoblasts-during-first-trimester-missed-abortion-and-in-chronic-histiocytic-intervillositis
#19
David A Clark, Jennifer M Dmetrichuk, Elizabeth McCready, Sukhbinder Dhesy-Thind, Jorge L Arredondo
PROBLEM: Expression of CD200 at the feto-maternal interface is associated with successful murine and human pregnancy. CD200 binding to CD200 receptors on lymphomyeloid cells suppresses inflammation and induces Tregs. CD200 receptors are also expressed on mouse and human placental trophoblast cells. What is the expression of CD200 and CD200R in human missed abortions which have preserved Treg levels and in chronic histiocytic intervillositis (CHI) where maternal inflammatory cells cause IUGR? METHODS: Immunohistiochemistry for CD200, CD200R, and Ki67 using human placental sections from missed abortions, term placenta, and CHI...
July 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28299234/different-sonographic-faces-of-ectopic-pregnancy
#20
Charu Chanana, Nishant Gupta, Itisha Bansal, Kusum Hooda, Pranav Sharma, Mohit Gupta, Darshan Gandhi, Yogesh Kumar
Vaginal bleeding in the first trimester has wide differential diagnoses, the most common being a normal early intrauterine pregnancy, with other potential causes including spontaneous abortion and ectopic pregnancy. The incidence of ectopic pregnancy is approximately 2% of all reported pregnancies and is one of the leading causes of maternal mortality worldwide. Clinical signs and symptoms of ectopic pregnancy are often nonspecific. History of pelvic pain with bleeding and positive β-human chorionic gonadotropin should raise the possibility of ectopic pregnancy...
2017: Journal of Clinical Imaging Science
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